Fix "is db labeled test?" in chkselinuxenv script.

Don't test whether the number of labels is numerically equal to zero;
count(*) isn't going return zero anyway, and the current coding blows
up if it returns an empty string or an error.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/3d14bd2563cc527f250eed8d6d83e3ff62318675

Modified Files
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contrib/sepgsql/chkselinuxenv |    2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

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